Customer Concentration Assets by Geographic Location (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Concentration Risk [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years
Long-Lived Assets	[1]	$ 38	$ 31
UNITED STATES
Concentration Risk [Line Items]
Long-Lived Assets		13	31
IRELAND
Concentration Risk [Line Items]
Long-Lived Assets		$ 25	$ 0

[1] (1) Long-lived assets consist of property and equipment.